YES
by ttt2 (version ttt2 1.15)
The rewrite relation of the following TRS is considered.
a(a(x0)) | → | b(b(b(x0))) |
a(x0) | → | d(c(d(x0))) |
b(b(b(x0))) | → | a(f(x0)) |
b(b(x0)) | → | c(c(c(x0))) |
c(c(x0)) | → | d(d(d(x0))) |
c(d(d(x0))) | → | f(x0) |
f(f(x0)) | → | f(a(x0)) |
final states:
{15, 9, 13, 10, 8, 5, 1}
transitions:
157 | → | 85 |
157 | → | 48 |
111 | → | 4 |
111 | → | 46 |
32 | → | 16 |
29 | → | 150 |
103 | → | 45 |
10 | → | 96 |
10 | → | 47 |
10 | → | 3 |
97 | → | 116 |
15 | → | 73 |
15 | → | 17 |
15 | → | 9 |
15 | → | 34 |
15 | → | 142 |
15 | → | 151 |
96 | → | 134 |
84 | → | 46 |
167 | → | 49 |
122 | → | 15 |
120 | → | 123 |
3 | → | 47 |
50 | → | 1 |
108 | → | 138 |
9 | → | 17 |
9 | → | 7 |
9 | → | 31 |
9 | → | 81 |
9 | → | 61 |
9 | → | 11 |
9 | → | 44 |
34 | → | 73 |
20 | → | 8 |
99 | → | 49 |
62 | → | 162 |
1 | → | 16 |
8 | → | 4 |
8 | → | 96 |
8 | → | 47 |
8 | → | 3 |
13 | → | 81 |
13 | → | 61 |
13 | → | 11 |
13 | → | 44 |
101 | → | 110 |
60 | → | 12 |
139 | → | 134 |
44 | → | 81 |
135 | → | 125 |
76 | → | 1 |
76 | → | 35 |
58 | → | 108 |
138 | → | 140 |
171 | → | 12 |
171 | → | 45 |
6 | → | 170 |
116 | → | 120 |
109 | → | 10 |
88 | → | 50 |
143 | → | 134 |
143 | → | 139 |
117 | → | 1 |
117 | → | 50 |
2 | → | 29 |
2 | → | 33 |
2 | → | 43 |
11 | → | 61 |
12 | → | 154 |
126 | → | 121 |
30 | → | 58 |
64 | → | 10 |
46 | → | 4 |
35 | → | 1 |
48 | → | 85 |
47 | → | 96 |
43 | → | 100 |
163 | → | 85 |
163 | → | 48 |
151 | → | 142 |
155 | → | 166 |
f1(170) | → | 171 |
f1(108) | → | 109 |
f1(33) | → | 34 |
f1(121) | → | 122 |
c3(141) | → | 142 |
f2(162) | → | 163 |
f2(166) | → | 167 |
f2(116) | → | 117 |
f2(150) | → | 151 |
f2(110) | → | 111 |
f3(134) | → | 135 |
c2(124) | → | 125 |
c2(74) | → | 75 |
a0(9) | → | 8 |
a0(2) | → | 16 |
f0(2) | → | 9 |
f0(16) | → | 15 |
c0(11) | → | 12 |
c0(6) | → | 7 |
c0(12) | → | 10 |
c0(2) | → | 11 |
d1(19) | → | 20 |
d1(29) | → | 30 |
d1(17) | → | 18 |
d1(58) | → | 59 |
d1(61) | → | 62 |
d1(63) | → | 64 |
d1(59) | → | 60 |
d1(155) | → | 156 |
d1(156) | → | 157 |
d1(154) | → | 155 |
d1(31) | → | 32 |
d1(62) | → | 63 |
c1(48) | → | 49 |
c1(18) | → | 19 |
c1(49) | → | 50 |
c1(43) | → | 44 |
c1(45) | → | 46 |
c1(30) | → | 31 |
c1(44) | → | 45 |
c1(47) | → | 48 |
b0(3) | → | 4 |
b0(2) | → | 3 |
b0(4) | → | 1 |
d0(2) | → | 6 |
d0(6) | → | 14 |
d0(14) | → | 13 |
d0(7) | → | 5 |
d2(101) | → | 102 |
d2(98) | → | 99 |
d2(100) | → | 101 |
d2(102) | → | 103 |
d2(85) | → | 86 |
d2(75) | → | 76 |
d2(83) | → | 84 |
d2(73) | → | 74 |
d2(87) | → | 88 |
d2(82) | → | 83 |
d2(125) | → | 126 |
d2(123) | → | 124 |
d2(97) | → | 98 |
d2(81) | → | 82 |
d2(86) | → | 87 |
d2(96) | → | 97 |
a1(120) | → | 121 |
a1(34) | → | 35 |
d3(142) | → | 143 |
d3(140) | → | 141 |
f50 | → | 2 |
a2(138) | → | 139 |